13378743

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 22993920

約数和(自身を除く): 9615177

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 997, 1491, 1917, 2991, 4473, 6979, 8973, 13419, 20937, 26919, 62811, 70787, 188433, 212361, 495509, 637083, 1486527, 1911249, 4459581, 13378743]

約数ペア:

[(1, 13378743), (3, 4459581), (7, 1911249), (9, 1486527), (21, 637083), (27, 495509), (63, 212361), (71, 188433), (189, 70787), (213, 62811), (497, 26919), (639, 20937), (997, 13419), (1491, 8973), (1917, 6979), (2991, 4473)]